MODIFICATION - PITOT-STATIC AND TEMPERATURE SYSTEM - PITOT-STATIC PROBE HEATER REDESIGN The information below is provided for your reference. For full details, please see corresponding paragraph contained within this bulletin. 

# RECOMMENDED

SPECIFIED TIME COMPLIANCE 

## COMPLIANCE TIME Before January 30, 2019
EFFECTIVITY: A/C Serial No. 20003 to 20500 MANPOWER: 12 man−hours CONTINUED AIRWORTHINESS (CAW) FLEET CAMPAIGN NO YES TLMC, CH 5 AFFECTED NO YES KITS and/or PARTS YES NO TOOLING/GSE YES NO PLANNING INFORMATION NO YES DEDICATED SCHEDULE YES NO PREREQUISITE SERVICE BULLETINS: N/A To place an order for parts or kits, please call Bombardier Parts Services at: 514−855−2999 or 1−866−538−1247 

# SERVICE BULLETIN SUMMARY

www.cic.bombardier.com 

### MODEL BD−100−1A10 (CL−300) ATA 34−11 NAVIGATION

Basic Issue: Jan 09/2014 

# 100−34−38 Page 1 of 1 This Service Bulletin is available at:MODIFICATION - PITOT-STATIC AND TEMPERATURE SYSTEM - PITOT-STATIC PROBE HEATER REDESIGN 

### 1. PLANNING INFORMATION A. Effectivity BD−100−1A10 aircraft, Serial No. 20003 to 20500

. NOTE: The instructions given in this Service Bulletin are only applicable to the systems and parts installed at the time of delivery of the aircraft or as changed by Bombardier Aerospace Service Bulletin(s). Before you do this bulletin, examine all STC, STA or equivalent action changes to make sure that this bulletin can be completed. B. Reason The current Pitot−Static probe heater design may exhibit a failure which results in the heating function to remain ON when not selected and the heating performance may also be degraded. The new Pitot−Static Probe heater provides a more robust design that will prevent these failure cases to occur. 

# SERVICE BULLETIN

www.cic.bombardier.com 

### MODEL BD−100−1A10 (CL−300) ATA 34−11 NAVIGATION

Refer to applicable governmental agency regulations and requirements and make sure that the work described in this Service Bulletin is performed in compliance with manufacturer’s recommendations and/or acceptable industry standards. This document is proprietary to Bombardier Inc. and/or its affiliates and may not be reproduced or copied in any form or by any means without the prior written consent of Bombardier Inc. and/or its affiliates.  2014 Bombardier Inc. All rights reserved Learjet, Challenger, Global, are registered trademarks of Bombardier Inc. or its subsidiaries. Basic Issue: Jan 09/2014 

# 100−34−38 Page 1 of 8 This Service Bulletin is available at:This Service Bulletin gives instructions to remove the Pitot−Static probes and replace them with new probes that have a more robust design to the heater assembly component. C. Description This Service Bulletin gives instructions to: − Remove the pitot−static probes, − Return the pitot−static probes for disposal, − Install new pitot−static probes, and − Do the necessary tests to make sure that the system operates correctly. D. Compliance Recommended before January 30, 2019. E. Approval The technical content of this Service Bulletin has been approved under the authority of Transport Canada Civil Aviation (TCCA) Design Approval Organization (DAO) No. DAO #93−Q−02. NOTES: 1. The technical content of this Service Bulletin is accepted by the FAA under the Canada/USA bilateral Aviation Safety Agreement. 2. The technical content of this Service Bulletin is accepted by EASA in accordance with established procedures. F. Manpower NOTES: 1. The man−hours given are estimates to help you schedule the tasks given in this bulletin. The estimates are for direct labor performed by an experienced crew and do not include the time for familiarization, planning, aircraft preparation in hangar such as towing and positioning of scaffolds, removal of interior furnishings, repainting, supervision and inspection. For more information related to the manpower estimates, refer to SB 100−00−02. 2. This Service Bulletin may require consumable materials that have specific curing times (refer to Paragraph 3). The accumulated curing time is not included in the labor estimates and should be considered for planning purposes before you schedule this Service Bulletin. 12 man−hours are necessary to do this modification. 

### MODEL BD−100−1A10 (CL−300)

Basic Issue: Jan 09/2014 

# 100−34−38 Page 2 of 8The labor required to do this Service Bulletin is at no cost for aircraft in new aircraft warranty at time of Service Bulletin release (Basic Issue) if: 1. the work is done at Bombardier Business Aviation Services (BBAS) or Authorized Service Facilities (ASF), and 2. this Service Bulletin is scheduled within the compliance time G. Material − Cost and Availability No kit is necessary to do this modification. For the parts necessary to do this modification, refer to Paragraph 3.B. The parts are available at no cost for aircraft in new aircraft warranty at time of Service Bulletin release (Basic Issue) if a no−charge purchase order is sent to Bombardier Aerospace within the compliance time. This Service Bulletin is covered by a dedicated schedule. To ensure a timely and effective return programm, advance scheduling is required through our In−Service Implementation Team (ISIT). Please contact your Regional Manager (RM), Field Service Representative (FSR) or Customer Service Representative (CSR) as soon as is practical to schedule your aircraft. Send removed units for disposal to Bombardier Aerospace at one of the two addresses given below: NOTE: Applicable only to aircraft in new aircraft warranty at time of Service Bulletin release (Basic Issue). Learjet − Core Returns 8219 West Irving, Bldg 9, Dock 9, Wichita, KS 67209 USA Or Distribution Centre Frankfurt − Core Returns Bombardier Aerospace Germany Gmb H Hans−Boeckler−Strasse 9 GROSS−GERAU Hesse 64521 Germany Refer to your Material Return Authorization (MRA) form to find the applicable return address. For those aircraft out of new aircraft warranty at the time of Service Bulletin distribution, Smart Parts Plus pays for the parts within the compliance time from Service Bulletin distribution date (Basic Issue). 

### MODEL BD−100−1A10 (CL−300)

Basic Issue: Jan 09/2014 

# 100−34−38 Page 3 of 8H. Tooling The equipment and tools listed below are necessary to do this modification: GSE REFERENCE NO. PART NO. DESCRIPTION 20−00−04 KS5549 Inclinometer 20X−00−04 M1−G−Kit Portable Bonding Tester 24−00−24 S4933959−501 Tag, Circuit Breaker 34X−11−01 G700−341101−7 Leveling Fixture Pitot Tube Commercially Available

− Wrench, Torque (range, 0 to 50 lbf in (0 to 5.65 Nm)) NOTES: 1. Refer to the BD−100 Illustrated Tool and Equipment Manual (ITEM) to make sure that you use the correct equipment configuration. 2. Refer to the Liability Statement in the ITEM for acceptable GSE equivalents. I. Weight and Balance No change. J. Electrical Load Data No change. K. References − Bombardier Aerospace, Modification Summary, BB100T010709, Rev. B. − Bombardier Aerospace, Restriction and/or Special Instruction (RSI), C−100−000−34−0060, Rev. − −. − Bombardier Aerospace, Standard Practices Manual (SPM), Chapter 20. − Bombardier Aerospace, Kit Drawing K1000070293, Rev .− −. − Bombardier Aerospace, SB 100−00−02, Service Bulletin Description and Policy. − BD−100 Aircraft Maintenance Manual (AMM), Chapters 6, 7, 24 and 34. − BD−100 Aircraft Illustrated Parts Catalog (AIPC), Chapter 34. L. Other Publications Affected − BD−100 Aircraft Illustrated Parts Catalog (AIPC), Chapter 34. M. Equivalent Service Bulletin None. 

### MODEL BD−100−1A10 (CL−300)

Basic Issue: Jan 09/2014 

# 100−34−38 Page 4 of 8

### 2. ACCOMPLISHMENT INSTRUCTIONS NOTES: 1. All TASKs given in the procedures that follow are from the BD−100 Aircraft Maintenance Manual (AMM) unless otherwise specified. 2. All references made to zones, access panels and/or doors, are from the BD−100 AMM, Chapter 6. A. Aircraft Setup (1) Obey all electrical/electronic safety precautions. Refer to AMM 24−00−00−910−801. (2) Open and tag the circuit breakers that follow: CB PANEL CB NO. NAME ZONE LCBP E2 L PITOT 211 RCBP E2 R PITOT 212 B. Modification (1) Remove the LEFT and RIGHT pitot−static probes. Refer to AMM 34−11−01−000−801. (2) Dispose of the removed pitot−static probes as follow: − For aircraft in new aircraft warranty at time of Service Bulletin release (Basic Issue), return the pitot−static probes for disposal. Refer to Paragraph 1.G. for instructions. − For aircraft out of warranty at time of Service Bulletin release (Basic Issue), discard the removed pitot−static probes. (3) Install the new LEFT pitot−static probe, Part No. 0856WC3, and the new RIGHT pitot−static probe, Part No.0856WC4. Refer to AMM 34−11−01−400−801. C. Close−out (1) Remove all tools, equipment and unwanted materials from the aircraft. (2) Lower the complete aircraft. Refer to AMM 07−10−01−586−801 D. Recording When this Service Bulletin is completed, make an entry in the aircraft log and send the attached Incorporation Notice to Bombardier Business Aircraft Customer Services (BBACS). 

### MODEL BD−100−1A10 (CL−300)

Basic Issue: Jan 09/2014 

# 100−34−38 Page 5 of 8In an effort to improve the quality of our technical communications, we are requesting your feedback. Please take a moment to fill out our easy on−line Service Bulletin survey: http://csefeedback.aero.bombardier.com 

### 3. MATERIAL INFORMATION A. Kits No kit required. B. Parts The parts that follow are necessary to do this Service Bulletin and are available from Bombardier Aerospace Parts Services, Montreal:

NEW PART NO. QTY ITEM USED PART NO. INSTRUCTIONS - DISPOSITION
0856WC3 1 Probe, Pitot−Static LH 0856WC1 Refer to Paragraph 1.G.

0856WC4 1 Probe, Pitot−Static RH 0856WC2 Refer to Paragraph 1.G. MS24694S98 9 Screw MS24694S98 Discard NOTE: The part numbers for the items listed above are subject to change without revision to this Service Bulletin. In case of discrepancy between this list and any other list, the Illustrated Parts Catalog prevails and shall be used to determine the latest part number. 

### MODEL BD−100−1A10 (CL−300)

Basic Issue: Jan 09/2014 

# 100−34−38 Page 6 of 8C. Material The materials that follow, or equivalent, are necessary to do this Service Bulletin. These can be purchased from a local supplier. Bombardier Aerospace does not pay for these consumables.

DESCRIPTION PART NO./NAME SPECIFICATION QUANTITY SUPPLIER (SEE NOTE) Compound, Sealing

CT: B1/2= 30

hours B 2 = 48

hours B 4 = 72

hiours Pro Seal 870 Class B MIL−PRF−81733 Type II, Class I, Grade A As Necessary Code: A

Compound, Sealing CT: C48 = 56 days Pro Seal 870 Class C MIL−PRF−81733 Type IV, Class I, Grade A As Necessary Code: A

Alcohol, Isopropyl − TT−I−735 As Necessary Code: B NOTES: 1. Refer to the table that follows for each suppliers address listed by codes. 2. The Curing Time (CT), if applicable, for each consumable material is indicated with the description of each product. 3. At time of release of this Service Bulletin, the information on the supplier was valid and accurate. In the event that this information has changed, the operator is encouraged to use the World Wide Web to find a local supplier. SUPPLIERS ADDRESSES BY CODES Code: A PRC−Desoto International 5676 Timberlea Blvd. Mississauga, Ontario

Canada, L4W 4M6 Tel.: (905) 629−7999 Code: B Commercially Available 

### MODEL BD−100−1A10 (CL−300)

Basic Issue: Jan 09/2014 

# 100−34−38 Page 7 of 8D. Publications No publications required. 

### MODEL BD−100−1A10 (CL−300)

Basic Issue: Jan 09/2014 

# 100−34−38 Page 8 of 8100−34−38 Basic Jan 09/2014
MODIFICATION − PITOT−STATIC AND TEMPERATURE SYSTEM − PITOT−STATIC PROBE HEATER REDESIGN

In an effort to improve the quality of our technical communications, we are replacing the standard Service Bulletin Evaluation Form with an on−line Service Bulletin Survey and we are requesting your feedback. Please take a moment to fill out our easy on−line Service Bulletin survey at:



### http://csefeedback.aero.bombardier.com 

## SERVICE BULLETIN EVALUATION FORM (Your ideas will help us provide better bulletins)

SERVICE BULLETIN: ISSUE: DATED:
TITLE:

### SERVICE BULLETIN INCORPORATION SHEET − "100−34−38"
Upon completion of the Service Bulletin, please fill−in, fax to (514) 855−8798 or e−mail to Fracas at fracas.montreal@aero.bombardier.com If your aircraft is registered on CAMP and you are reporting to them, please do not send the incorporation sheet to Bombardier. If your aircraft is on another tracking system, please contact Bombardier to make arrangements for automated data submission.

100−34−38 basic COMPLIED WITH YES NO N/A

Actual hours to accomplish Service Bulletin:
* NOTES:

Aircraft Serial No. Aircraft Reg. No. Airframe Hours: Airframe Landings S.B. Incorporation Date Service Order No. Facility incorporating S.B. Name Signature DateBOMBARDIERSUBMISSION

Service Bulletin Number Rev. * Parts Completed Remarks/Reason

1. Where the Service Bulletin is divided into a number of parts (e.g., PARTS A, B, C, D, etc.) which can be carried out separately, indicate only those parts completed at this time. 2. For repetitive checks (usually PART A) only the initial check should be reported unless otherwise stated in the Service Bulletin. 3. When more than one part is carried out at the same time, each part should be reported.

(dd/mm/yy)

Signature not required if sent by E−Mail (dd/mm/yy)